The physics of quantum materials is dictated by many-body interactions and mathematical
concepts such as symmetry and topology that have transformed our understanding of matter …

Angle-resolved photoemission spectroscopy (ARPES)—an experimental technique based
on the photoelectric effect—is arguably the most powerful method for probing the electronic …

Angle-resolved photoemission spectroscopy (ARPES), with its exceptional sensitivity to both
the binding energy and the momentum of valence electrons in solids, provides unparalleled …

In the last two decades non-equilibrium spectroscopies have evolved from avant-garde
studies to crucial tools for expanding our understanding of the physics of strongly correlated …

The significant progress in angle-resolved photoemission spectroscopy (ARPES) in last
three decades has elevated it from a traditional band map** tool to a precise probe of …

The excitonic insulator is an electronically driven phase of matter that emerges upon the
spontaneous formation and Bose condensation of excitons. Detecting this exotic order in …

The interplay between the electronic and lattice degrees of freedom in nonequilibrium states
of strongly correlated systems has been debated for decades. Although progress has been …

Techniques in time-and angle-resolved photoemission spectroscopy have facilitated a
number of recent advances in the study of quantum materials. We review developments in …

Using the nonequilibrium Keldysh formalism, we solve the equations of motion for electron-
phonon superconductivity, including an ultrafast pump field. We present results for time …

Time-and angle-resolved photoelectron spectroscopy (trARPES) is a powerful method to
track the ultrafast dynamics of quasiparticles and electronic bands in energy and momentum …